Enable blend optimizations with instanced draws

src/gpu/GrDrawContext.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrBatchTest.h"
 #include "GrColor.h"
 #include "GrDrawContext.h"
 #include "GrDrawContextPriv.h"
 #include "GrDrawingManager.h"
 #include "GrOvalRenderer.h"
 #include "GrPathRenderer.h"
 #include "GrRenderTarget.h"
 #include "GrRenderTargetPriv.h"
 #include "GrResourceProvider.h"
 #include "SkSurfacePriv.h"
 
 #include "batches/GrBatch.h"
 #include "batches/GrDrawAtlasBatch.h"
 #include "batches/GrDrawVerticesBatch.h"
 #include "batches/GrRectBatchFactory.h"
 #include "batches/GrNinePatch.h" // TODO Factory
 
 #include "effects/GrRRectEffect.h"
 
+#include "instanced/InstancedRendering.h"
+
 #include "text/GrAtlasTextContext.h"
 #include "text/GrStencilAndCoverTextContext.h"
 
 #include "../private/GrAuditTrail.h"
 
 #define ASSERT_OWNED_RESOURCE(R) SkASSERT(!(R) || (R)->getContext() == fDrawingManager->getContext())
 #define ASSERT_SINGLE_OWNER \
     SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(fSingleOwner);)
 #define ASSERT_SINGLE_OWNER_PRIV \
     SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(fDrawContext->fSingleOwner);)
 #define RETURN_IF_ABANDONED        if (fDrawingManager->wasAbandoned()) { return; }
 #define RETURN_IF_ABANDONED_PRIV   if (fDrawContext->fDrawingManager->wasAbandoned()) { return; }
 #define RETURN_FALSE_IF_ABANDONED  if (fDrawingManager->wasAbandoned()) { return false; }
 #define RETURN_FALSE_IF_ABANDONED_PRIV  if (fDrawContext->fDrawingManager->wasAbandoned()) { return false; }
 #define RETURN_NULL_IF_ABANDONED   if (fDrawingManager->wasAbandoned()) { return nullptr; }
 
+using gr_instanced::InstancedRendering;
+
 class AutoCheckFlush {
 public:
     AutoCheckFlush(GrDrawingManager* drawingManager) : fDrawingManager(drawingManager) {
         SkASSERT(fDrawingManager);
     }
     ~AutoCheckFlush() { fDrawingManager->getContext()->flushIfNecessary(); }
 
 private:
     GrDrawingManager* fDrawingManager;
 };
 
 bool GrDrawContext::wasAbandoned() const {
     return fDrawingManager->wasAbandoned();
 }
 
 // In MDB mode the reffing of the 'getLastDrawTarget' call's result allows in-progress
 // drawTargets to be picked up and added to by drawContexts lower in the call
 // stack. When this occurs with a closed drawTarget, a new one will be allocated
 // when the drawContext attempts to use it (via getDrawTarget).
 GrDrawContext::GrDrawContext(GrContext* context,
                              GrDrawingManager* drawingMgr,
                              sk_sp<GrRenderTarget> rt,
                              const SkSurfaceProps* surfaceProps,
                              GrAuditTrail* auditTrail,
                              GrSingleOwner* singleOwner)
     : fDrawingManager(drawingMgr)
     , fRenderTarget(std::move(rt))
     , fDrawTarget(SkSafeRef(fRenderTarget->getLastDrawTarget()))
     , fContext(context)
+    , fInstancedPipelineInfo(fRenderTarget.get())
     , fSurfaceProps(SkSurfacePropsCopyOrDefault(surfaceProps))
     , fAuditTrail(auditTrail)
 #ifdef SK_DEBUG
     , fSingleOwner(singleOwner)
 #endif
 {
     SkDEBUGCODE(this->validate();)
 }
 
 #ifdef SK_DEBUG
@@ skipping 183 matching lines @@
             *useHWAA = rt->isUnifiedMultisampled();
         }
         return !rt->isUnifiedMultisampled();
     }
 }
 
 GrDrawBatch* GrDrawContext::getFillRectBatch(const GrPaint& paint,
                                              const SkMatrix& viewMatrix,
                                              const SkRect& rect,
                                              bool* useHWAA) {
+    if (InstancedRendering* ir = this->getDrawTarget()->instancedRendering()) {
+        if (GrDrawBatch* batch = ir->recordRect(rect, viewMatrix, paint.getColor(),
+                                                paint.isAntiAlias(), fInstancedPipelineInfo,
+                                                useHWAA)) {
+            return batch;
+        }
+    }
 
-    GrDrawBatch* batch = nullptr;
     if (should_apply_coverage_aa(paint, fRenderTarget.get(), useHWAA)) {
         // The fill path can handle rotation but not skew.
         if (view_matrix_ok_for_aa_fill_rect(viewMatrix)) {
             SkRect devBoundRect;
             viewMatrix.mapRect(&devBoundRect, rect);
-            batch = GrRectBatchFactory::CreateAAFill(paint.getColor(), viewMatrix,
-                                                     rect, devBoundRect);
+            return GrRectBatchFactory::CreateAAFill(paint.getColor(), viewMatrix,
+                                                    rect, devBoundRect);
         }
     } else {
         // filled BW rect
-        batch = GrRectBatchFactory::CreateNonAAFill(paint.getColor(), viewMatrix, rect,
-                                                    nullptr, nullptr);
+        return GrRectBatchFactory::CreateNonAAFill(paint.getColor(), viewMatrix, rect,
+                                                   nullptr, nullptr);
     }
 
-    return batch;
+    return nullptr;
 }
 
 void GrDrawContext::drawRect(const GrClip& clip,
                              const GrPaint& paint,
                              const SkMatrix& viewMatrix,
                              const SkRect& rect,
                              const GrStyle* style) {
     if (!style) {
         style = &GrStyle::SimpleFill();
     }
@@ skipping 169 matching lines @@
                                    const GrPaint& paint,
                                    const SkMatrix& viewMatrix,
                                    const SkRect& rectToDraw,
                                    const SkRect& localRect) {
     ASSERT_SINGLE_OWNER
     RETURN_IF_ABANDONED
     SkDEBUGCODE(this->validate();)
     GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::fillRectToRect");
 
     AutoCheckFlush acf(fDrawingManager);
+    SkAutoTUnref<GrDrawBatch> batch;
+    bool useHWAA;
 
-    bool useHWAA;
-    SkAutoTUnref<GrDrawBatch> batch;
+    if (InstancedRendering* ir = this->getDrawTarget()->instancedRendering()) {
+        batch.reset(ir->recordRect(rectToDraw, viewMatrix, paint.getColor(), localRect,
+                                   paint.isAntiAlias(), fInstancedPipelineInfo, &useHWAA));
+        if (batch) {
+            GrPipelineBuilder pipelineBuilder(paint, useHWAA);
+            this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
+            return;
+        }
+    }
+
     if (should_apply_coverage_aa(paint, fRenderTarget.get(), &useHWAA) &&
         view_matrix_ok_for_aa_fill_rect(viewMatrix)) {
         batch.reset(GrAAFillRectBatch::CreateWithLocalRect(paint.getColor(), viewMatrix, rectToDraw,
                                                            localRect));
     } else {
         batch.reset(GrRectBatchFactory::CreateNonAAFill(paint.getColor(), viewMatrix, rectToDraw,
                                                         &localRect, nullptr));
     }
 
     if (batch) {
         GrPipelineBuilder pipelineBuilder(paint, useHWAA);
         this->drawBatch(pipelineBuilder, clip, batch);
     }
 }
 
 void GrDrawContext::fillRectWithLocalMatrix(const GrClip& clip,
                                             const GrPaint& paint,
                                             const SkMatrix& viewMatrix,
                                             const SkRect& rectToDraw,
                                             const SkMatrix& localMatrix) {
     ASSERT_SINGLE_OWNER
     RETURN_IF_ABANDONED
     SkDEBUGCODE(this->validate();)
     GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::fillRectWithLocalMatrix");
 
     AutoCheckFlush acf(fDrawingManager);
+    SkAutoTUnref<GrDrawBatch> batch;
+    bool useHWAA;
 
-    bool useHWAA;
-    SkAutoTUnref<GrDrawBatch> batch;
+    if (InstancedRendering* ir = this->getDrawTarget()->instancedRendering()) {
+        batch.reset(ir->recordRect(rectToDraw, viewMatrix, paint.getColor(), localMatrix,
+                                   paint.isAntiAlias(), fInstancedPipelineInfo, &useHWAA));
+        if (batch) {
+            GrPipelineBuilder pipelineBuilder(paint, useHWAA);
+            this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
+            return;
+        }
+    }
+
     if (should_apply_coverage_aa(paint, fRenderTarget.get(), &useHWAA) &&
         view_matrix_ok_for_aa_fill_rect(viewMatrix)) {
         batch.reset(GrAAFillRectBatch::Create(paint.getColor(), viewMatrix, localMatrix,
                                               rectToDraw));
     } else {
         batch.reset(GrRectBatchFactory::CreateNonAAFill(paint.getColor(), viewMatrix, rectToDraw,
                                                         nullptr, &localMatrix));
     }
 
     GrPipelineBuilder pipelineBuilder(paint, useHWAA);
@@ skipping 76 matching lines @@
     ASSERT_SINGLE_OWNER
     RETURN_IF_ABANDONED
     SkDEBUGCODE(this->validate();)
     GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::drawRRect");
 
     if (rrect.isEmpty()) {
        return;
     }
 
     SkASSERT(!style.pathEffect()); // this should've been devolved to a path in SkGpuDevice
+
+    AutoCheckFlush acf(fDrawingManager);
     const SkStrokeRec stroke = style.strokeRec();
-    AutoCheckFlush acf(fDrawingManager);
+    bool useHWAA;
 
-    bool useHWAA;
+    if (this->getDrawTarget()->instancedRendering() && stroke.isFillStyle()) {
+        InstancedRendering* ir = this->getDrawTarget()->instancedRendering();
+        SkAutoTUnref<GrDrawBatch> batch(ir->recordRRect(rrect, viewMatrix, paint.getColor(),
+                                                        paint.isAntiAlias(), fInstancedPipelineInfo,
+                                                        &useHWAA));
+        if (batch) {
+            GrPipelineBuilder pipelineBuilder(paint, useHWAA);
+            this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
+            return;
+        }
+    }
+
     if (should_apply_coverage_aa(paint, fRenderTarget.get(), &useHWAA)) {
         GrShaderCaps* shaderCaps = fContext->caps()->shaderCaps();
-
         SkAutoTUnref<GrDrawBatch> batch(GrOvalRenderer::CreateRRectBatch(paint.getColor(),
                                                                          viewMatrix,
                                                                          rrect,
                                                                          stroke,
                                                                          shaderCaps));
         if (batch) {
             GrPipelineBuilder pipelineBuilder(paint, useHWAA);
             this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
             return;
         }
     }
 
     SkPath path;
     path.setIsVolatile(true);
     path.addRRect(rrect);
     this->internalDrawPath(clip, paint, viewMatrix, path, style);
 }
 
 bool GrDrawContext::drawFilledDRRect(const GrClip& clip,
                                      const GrPaint& paintIn,
                                      const SkMatrix& viewMatrix,
                                      const SkRRect& origOuter,
                                      const SkRRect& origInner) {
     SkASSERT(!origInner.isEmpty());
     SkASSERT(!origOuter.isEmpty());
 
+    if (InstancedRendering* ir = this->getDrawTarget()->instancedRendering()) {
+        bool useHWAA;
+        SkAutoTUnref<GrDrawBatch> batch(ir->recordDRRect(origOuter, origInner, viewMatrix,
+                                                         paintIn.getColor(), paintIn.isAntiAlias(),
+                                                         fInstancedPipelineInfo, &useHWAA));
+        if (batch) {
+            GrPipelineBuilder pipelineBuilder(paintIn, useHWAA);
+            this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
+            return true;
+        }
+    }
+
     bool applyAA = paintIn.isAntiAlias() && !fRenderTarget->isUnifiedMultisampled();
 
     GrPrimitiveEdgeType innerEdgeType = applyAA ? kInverseFillAA_GrProcessorEdgeType :
                                                   kInverseFillBW_GrProcessorEdgeType;
     GrPrimitiveEdgeType outerEdgeType = applyAA ? kFillAA_GrProcessorEdgeType :
                                                   kFillBW_GrProcessorEdgeType;
 
     SkTCopyOnFirstWrite<SkRRect> inner(origInner), outer(origOuter);
     SkMatrix inverseVM;
     if (!viewMatrix.isIdentity()) {
@@ skipping 78 matching lines @@
 
     if (oval.isEmpty()) {
        return;
     }
 
     SkASSERT(!style.pathEffect()); // this should've been devolved to a path in SkGpuDevice
 
     AutoCheckFlush acf(fDrawingManager);
     const SkStrokeRec& stroke = style.strokeRec();
     bool useHWAA;
+
+    if (this->getDrawTarget()->instancedRendering() && stroke.isFillStyle()) {
+        InstancedRendering* ir = this->getDrawTarget()->instancedRendering();
+        SkAutoTUnref<GrDrawBatch> batch(ir->recordOval(oval, viewMatrix, paint.getColor(),
+                                                       paint.isAntiAlias(), fInstancedPipelineInfo,
+                                                       &useHWAA));
+        if (batch) {
+            GrPipelineBuilder pipelineBuilder(paint, useHWAA);
+            this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
+            return;
+        }
+    }
+
     if (should_apply_coverage_aa(paint, fRenderTarget.get(), &useHWAA)) {
         GrShaderCaps* shaderCaps = fContext->caps()->shaderCaps();
         SkAutoTUnref<GrDrawBatch> batch(GrOvalRenderer::CreateOvalBatch(paint.getColor(),
                                                                         viewMatrix,
                                                                         oval,
                                                                         stroke,
                                                                         shaderCaps));
         if (batch) {
             GrPipelineBuilder pipelineBuilder(paint, useHWAA);
             this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
@@ skipping 278 matching lines @@
 
 void GrDrawContext::drawBatch(const GrPipelineBuilder& pipelineBuilder, const GrClip& clip,
                               GrDrawBatch* batch) {
     ASSERT_SINGLE_OWNER
     RETURN_IF_ABANDONED
     SkDEBUGCODE(this->validate();)
     GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::drawBatch");
 
     this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
 }